//----------------------------------------------------------------------------------
//FRONTEND FUNCTIONS
//Write here all of the frontend functions you need.
//Direct all requests to "backend.php".
//Write backend functions in "backend.actions.php".
//Convention: try to declare frontend and backend functions with the same name.
//----------------------------------------------------------------------------------
function test(){
    new Ajax.Request('backend.php',
    {
        method:'get',
        parameters: {action: 'test', data: 0},
        onSuccess: function(transport){
            var response = transport.responseText || "no response text";
            alert("Success! \n\n" + response);
        },
        onFailure: function(){ alert('Something went wrong...') }
    });
}
//----------------------------------------------------------------------------------
function getPhrasePart(fieldName, fieldValue){
    addAuthor();
    new Ajax.Request('backend.php',
    {
        method:'get',
        parameters: {action: 'getPhrasePart', data: Object.toJSON({field: fieldName, value: fieldValue})},
        onSuccess: function(transport){
            var response = transport.responseText || "no response text";
            handleResponse(response);
        },
        onFailure: function(){
            alert('Oops! Something were very wrong!');
        }
    });
}
//----------------------------------------------------------------------------------
function addAuthor(){
    var phraseParts = new Array('name', 'day', 'month', 'year', 'especialidad', 'deporte', 'musica', 'color');
    var count = phraseParts.length;
    for(var i = 0; i<count; i++){
        if($F(phraseParts[i])=="") return false;
    }
    $('autor').innerHTML = "<br />\n--<br />\n" + $('name').value;
}
//----------------------------------------------------------------------------------
function handleResponse(response){
    //ok,responseFromGetPhrasePartForName|Desarrollé
        
    var responseArray   = response.split('|');
    var metadata        = responseArray[0];
    var data            = responseArray[1];
    var metadataArray   = metadata.split(',');
    var metadataStatus  = metadataArray[0];
    var metadataDesc    = metadataArray[1];
    var field           = metadataDesc.replace('responseFromGetPhrasePartFor', '').toLowerCase();

    //detect if the browser is IE and set adecuate spacer
    var spacer = '';
    if(isInternetExplorer(navigator.userAgent)) spacer = '&nbsp;';
    $('phrase_' + field).innerHTML = spacer + data;
}
//----------------------------------------------------------------------------------
function handleColorPicker(obj){
    if($('The_colorPicker') != undefined){
        if($('The_colorPicker').visible) return hideColorPicker();
    }
    startColorPicker(obj);
}
//----------------------------------------------------------------------------------
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();
//----------------------------------------------------------------------------------
function isInternetExplorer(userAgent){
	var regex = /MSIE/;
	return regex.test(userAgent);
}
//----------------------------------------------------------------------------------